Skip to main content

Table 3 Detection of the virulence genes of MRSA in accordance with the clinical diagnosis of the associated infection

From: Molecular epidemiology and characteristic of virulence gene of community-acquired and hospital-acquired methicillin-resistant Staphylococcus aureus isolates in Sun Yat-sen Memorial hospital, Guangzhou, Southern China

Virulence gene

Number and percentage of the MRSA isolates, n(%)

P-value

Infection of the surgical site

Infection of skin and soft tissue

Pneumonia

(n = 6)

(n = 31)

(n = 24)

sea

4(66.7)

18(58.1)

15(62.5)

0.422

seb

-

11(35.5)

1(4.2)

<0.001

sec

1(16.7)

6(19.4)

4(16.7)

<0.001

seg

4(66.7)

4(12.3)

3(8.9)

<0.001

seh

-

1(3.2)

1(4.2)

1.000

sei

3(50.0)

6(19.4)

3(8.9)

<0.001

sem

2(33.3)

4(12.3)

-

<0.001

sen

2(33.3)

2(6.6)

-

<0.001

seo

2(33.3)

3(9.7)

-

<0.001

hla

6(100.0)

31(100.0)

23(95.8)

 

hlb

6(100.0)

27(87.1)

23(95.8)

<0.001

hlg

6(100.0)

30(96.8)

23(95.8)

0.235

tsst-1

-

3(9.7)

-

 

PVL

3(50.0)

12(38.7)

12(50.0)

0.210

  1. Sea ~ see, seg ~ sej, sem ~ seo, gene encoding staphylococcal enterotoxins; eta and etb, gene encoding exfoliative toxin A and B; hla ~ hlg, gene encoding α-hemolysin ~ γ-hemolysin; tsst-1, gene encoding toxic shock syndrome toxin 1; PVL, gene encoding Panton-Valentine leukocidin
  2. The infection of bone and joint group (n = 1) was not included in statistical analysis